Processes for preparing anhydrous and hydrate forms of...

Details Processes for preparing anhydrous and hydrate forms of... Processes for preparing anhydrous and hydrate forms of...

2006-11-14

2006-11-14

Chang, Celia (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C514S317000

Reexamination Certificate

active

07135571

ABSTRACT:
The present invention is related to novel processes for preparing anhydrous and hydrated forms of piperidine derivatives, polymorphs and pseudomorphs thereof of the formulaswhich are useful as antihistamines, antiallergic agents and bronchodilators.

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